Fix stub link in readme [skip ci]

pinepain · pinepain · commit b77060670186 · 2017-04-13T18:31:31.000+03:00
diff --git a/README.md b/README.md
@@ -164,3 +164,4 @@ Copyright (c) 2015-2017 Bogdan Padalko &lt;pinepain@gmail.com&gt;
 
 [v8-hello-world]: https://chromium.googlesource.com/v8/v8/+/master/samples/hello-world.cc
 [v8-intro]: https://developers.google.com/v8/intro
+[php-v8-stubs]: https://github.com/pinepain/php-v8-stubs

Original file line number	Diff line number	Diff line change
`@@ -164,3 +164,4 @@ Copyright (c) 2015-2017 Bogdan Padalko <pinepain@gmail.com>`
`164`	`164`
`165`	`165`	`[v8-hello-world]: https://chromium.googlesource.com/v8/v8/+/master/samples/hello-world.cc`
`166`	`166`	`[v8-intro]: https://developers.google.com/v8/intro`
	`167`	`+[php-v8-stubs]: https://github.com/pinepain/php-v8-stubs`